Medical imaging display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a first embodiment of a medical imaging display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a front view of a second embodiment of a medical imaging display screen or portion thereof with graphical user interface showing our new design.

The broken lines showing a display screen or a portion thereof and graphical user interface represent portions that form no part of the claimed design. 

CLAIM The ornamental design for a medical imaging display screen or portion thereof with graphical user interface, as shown and described. 